Home / 132,131.42-182,492.85-87,011.18

Finding the Fourth Proportional to 132,131.42, 182,492.85 and 87,011.18

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Solution

The fourth proportional to 132,131.42, 182,492.85 and 87,011.18 is: 120,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,131.42 : 182,492.85 = 87,011.18 : x
  2. Step 2: Convert to fraction form
    132,131.42/182,492.85 = 87,011.18/x
  3. Step 3: Cross multiply
    132,131.42x = 182,492.85 × 87,011.18
  4. Step 4: Simplify right side
    132,131.42x = 15,878,918,220.06
  5. Step 5: Solve for x
    x = 15,878,918,220.06/132,131.42
  6. Step 6: Final answer
    x = 120,175.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.